September 21

{{For|the Earth, Wind & Fire song|September (Earth, Wind & Fire song)}}

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{{This date in recent years}}

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Events

=Pre-1600=

  • 455 – Emperor Avitus enters Italy with a Gallic army and consolidates his power.{{cite book|last=Maenchen-Helfen|first=Otto|title=The World of the Huns: Studies in Their History and Culture|location=Berkeley|publisher=University of California Press|date=1973|isbn=9780520015968|url=https://books.google.com/books?id=MKXeEAAAQBAJ|page=145|postscript=none}}; {{cite book|last=Mathisen|first=Ralph W.|title=Studies in the History, Literature and Society of Late Antiquity|location=Amsterdam|publisher=A.M. Hakkert|date=1991|isbn=9789025609832|url=https://books.google.com/books?id=6cVmAAAAMAAJ&q=Avitus+%22September+21%22+%22455%22|page=139}}
  • 1170Anglo-Norman invasion of Ireland: The Kingdom of Dublin falls to Anglo-Norman invaders.{{cite book|last=State|first=Paul F.|title=A Brief History of Ireland|location=New York|publisher=Facts On File|date=2009|isbn=9780816075164|url=https://books.google.com/books?id=l24l91AqAjYC|page=66}}
  • 1217Livonian Crusade: The Estonian leader Lembitu and Livonian leader Caupo of Turaida are killed in the Battle of St. Matthew's Day.{{cite book|last=Rebane|first=Peep Peter|chapter=From Fulco to Theoderic: The Changing Face of the Livonian Mission|editor-last=Murray|editor-first=Alan V.|title=The North-Eastern Frontiers of Medieval Europe: The Expansion of Latin Christendom in the Baltic Lands|location=New York|publisher=Routledge|date=2016|isbn=9781409436805|url=https://books.google.com/books?id=KgokDwAAQBAJ|page=99}}
  • 1435 – The Treaty of Arras is promulgated, causing Burgundy to switch sides in the Hundred Years' War.{{cite book|last=Russell|first=Joycelyne Gledhill|title=The Congress of Arras, 1435: A Study in Medieval Diplomacy|location=New York|publisher=Biblo and Tannen|date=1972|isbn=9780819602817|url=https://books.google.com/books?id=YEiOso5yIIoC|pages=viii–ix, 179}}

=1601–1900=

  • 1745 – A British government army led by Sir John Cope is defeated in less than 15 minutes by the Jacobite forces of Prince Charles Edward Stuart.{{cite book|last=Schofield|first=Victoria|title=The Highland Furies: The Black Watch 1739-1899, the Official Regimental History|location=London|publisher=Quercus|date=2012|isbn=9781849165501|url=https://books.google.com/books?id=guDQBAAAQBAJ|page=25}}
  • 1776 – Part of New York City is burned shortly after being occupied by British forces.{{cite magazine |last1=Immerwahr |first1=Daniel |title=Did George Washington Burn New York? |url=https://www.theatlantic.com/magazine/archive/2023/03/george-washington-burn-new-york-great-fire-1776/672780/ |access-date=16 February 2023 |magazine=The Atlantic |volume=331 |issue=2 |date=31 January 2023 |page=74 |language=en |url-access=subscription |issn=1072-7825}}
  • 1780American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
  • 1792French Revolution: The National Convention abolishes the monarchy.
  • 1809 – British Secretary of War Lord Castlereagh and Foreign Secretary George Canning meet in a duel on Putney Heath, with Castlereagh wounding Canning in the thigh.Hunt, Giles. The Duel: Castlereagh, Canning and Deadly Cabinet Rivalry. Bloomsbury Academic, 2008. p. 137
  • 1843 – The crew of schooner Ancud, led by John Williams Wilson, takes possession of the Strait of Magellan on behalf of the Chilean government.{{Cite web |url=https://www.defensa.cl/noticias/a-178-anos-de-la-toma-de-posesion-del-estrecho-de-magallanes-ministro-prokurica-resalta-a-los-unifor/ |title=A 178 años de la Toma de Posesión del Estrecho de Magallanes, ministro Prokurica resalta a los uniformados que hacen Patria en lugares apartados |date=2021-09-22 |access-date=2022-11-10 |website=Ministerio de Defensa Nacional |language=Spanish}}{{Cite book |title=A history of the Chilean boundaries |last=Talbott |first=Robert D.|chapter=The Strait of Magellan |publisher=The Iowa State University Press |year=1974 |isbn=0-8138-0305-5 |edition=Replica |location=|pages=82}}
  • 1860Second Opium War: An Anglo-French force defeats Chinese troops at the Battle of Palikao.
  • 1862Taiping Rebellion: The Ever Victorious Army defeats Taiping forces at the Battle of Cixi.{{cite book |last1=Jian |first1=Youwen |title=The Taiping Revolutionary Movement |date=1973 |publisher=Yale University Press |location=New Haven |page=485}}{{cite book |last1=Carr |first1=Caleb |title=The Devil Soldier: The American Soldier of Fortune Who Became a God in China |date=1992 |publisher=Random House |location=New York |pages=293–294}}
  • 1896Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
  • 1898Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.

=1901–present=

Births

=Pre-1600=

=1601–1900=

=1901–present=

Deaths

=Pre-1600=

=1601–1900=

=1901–present=

Holidays and observances

Other

  • In the popular 1978 song "September" by Earth, Wind & Fire, the date is mentioned in the lyric "Do you remember the 21st night of September?" Reference to this date has gained popularity due to the song's spread as an internet meme.{{cite web|url=https://www.vox.com/2018/9/21/17887990/earth-wind-fire-september-21-meme-demi-adejuyigbe|title=Do you remember the very best meme of September?|website=Vox|date=2018-09-21}}

References

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